From 0e93217396d218c84ef9faf514b93affc0c09c7e Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Mon, 7 Jan 2013 13:13:44 +0100
Subject: [PATCH] Correctly dispose of layer renderers when layers property
 changes

---
 src/ol/renderer/maprenderer.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/ol/renderer/maprenderer.js b/src/ol/renderer/maprenderer.js
index b1caf6a48d..47b25f3525 100644
--- a/src/ol/renderer/maprenderer.js
+++ b/src/ol/renderer/maprenderer.js
@@ -226,10 +226,7 @@ ol.renderer.Map.prototype.handleLayersAdd = function(collectionEvent) {
  * @protected
  */
 ol.renderer.Map.prototype.handleLayersChanged = function() {
-  var layerRenderers = goog.object.getValues(this.layerRenderers);
-  goog.array.forEach(layerRenderers, function(layerRenderer) {
-    this.removeLayerRenderer(layerRenderer);
-  }, this);
+  goog.disposeAll(goog.object.getValues(this.layerRenderers));
   this.layerRenderers = {};
   if (!goog.isNull(this.layersListenerKeys_)) {
     goog.array.forEach(this.layersListenerKeys_, goog.events.unlistenByKey);